package cn.edu.zjut.chopper.registry.servlet;

import java.io.IOException;
import java.util.List;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import net.sf.json.JSONArray;

import cn.edu.zjut.chopper.constant.Constant;
import cn.edu.zjut.chopper.registry.RegistryContext;
import cn.edu.zjut.chopper.registry.moniter.DynamicMonitorInfo;

/**
 * Servlet implementation class RegistryMoniter
 */
public class RegistryMonitor extends HttpServlet {
	private static final long serialVersionUID = 1L;

	/**
	 * @see HttpServlet#HttpServlet()
	 */
	public RegistryMonitor() {
		super();
		// TODO Auto-generated constructor stub
	}

	/**
	 * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse
	 *      response)
	 */
	protected void doGet(HttpServletRequest request,
			HttpServletResponse response) throws ServletException, IOException {
		doPost(request, response);
	}

	/**
	 * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse
	 *      response)
	 */
	protected void doPost(HttpServletRequest request,
			HttpServletResponse response) throws ServletException, IOException {
		@SuppressWarnings("unchecked")
		List<DynamicMonitorInfo> dynamicMonitorInfoList = (List<DynamicMonitorInfo>) RegistryContext.get(Constant.DynamicMoniterInfo);
		
		JSONArray dynamicMonitorInfoJSONArray = JSONArray.fromObject(dynamicMonitorInfoList);

		response.getWriter().write(dynamicMonitorInfoJSONArray.toString());
	}

}
